Re: 2.6.13-rc6-git10 test report [x86_64]
From: Andi Kleen (ak_at_suse.de)
Date: 08/19/05
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Date: Fri, 19 Aug 2005 01:03:49 +0200 To: Sean Bruno <sean.bruno@dsl-only.net>
On Thu, Aug 18, 2005 at 03:52:13PM -0700, Sean Bruno wrote:
> With earlier kernels(2.6.11) I was able to boot my machine with ACPI
> enabled, but most devices(sound, onboard ethernet, SATA controllers,
> USB) were unusuable but they were detected. I was able to work around
> this issue by disabling ACPI in my system BIOS.
Keeping it on and using pci=noacpi might be better.
> available. Since 2.6.12, when I re-activate ACPI in my system BIOS, I
> can't boot my machine as it gives me an error about no IOMMU and having
> 6GB of RAM. This error was not listed in the dmesg posted before as I
> can't boot my machine past this error.
>
> Here is the exact output when booting 2.6.13 with ACPI enabled:
>
> Decompressing Linux ... Done
> Booting the kernel
> PCI-DMA: More that 4GB of RAM and no IOMMU
> PCI-DMA: 32bit PCI IO may malfunction.<6>PCI-DMA: Disabling IOMMU
This has nothing to do with ACPI. The problem here is that you
didn't enable the IOMMU code in the kernel .config
-Andi
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- Previous message: Nathan Scott: "Re: [PATCH] rename locking functions - fix a blunder in initial patches"
- Maybe in reply to: Sean Bruno: "2.6.13-rc6-git10 test report [x86_64]"
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